Some important ways of comparison in scientific texts.
Date: 2015-10-07; view: 414.
15. Read and remember the following rule of comparison of adjectives:
One of the most important abilities in every-day life is the ability to compare smth. In physics it is one of the most routine activities. In order to compare, find similarities and differences the following sentence patterns are of use:
| Comparing similarities | Comparing differences |
| 1) Magnesium is like/similar to/comparable to aluminum; 2) Magnesium is as important as aluminum; 3) Magnesium resembles/parallels aluminum in many ways. | 1) Iron is unlike/different from aluminum; 2) Iron differs from aluminum; 3) Unlike iron/in contrast to iron/compared to iron/ in comparison to iron aluminum is light 4) Iron is heavier than/less abundant than/not as soft as aluminum 5) Iron is a relatively/comparatively soft metal |
16. Read a short passage below to determine the order of the seven italicized metals according to their melting points. List the metals withthe highestmelting pointfirst. Translate the passage into Russian:
The melting point of platinum is high compared to most metals but not as high as that of chromium. The melting point of zinc is less than half the melting point of gold and approximately three times the melting point of sodium. Mercury has the lowest melting point of all the metals. Copper and gold have similar melting points but the melting point of copper is slightly higher than gold and lower than platinum.
17. Write sentences comparing the items in each of these pairs. Remember that there is more than one way to write an answer:
a)surface temperature: Mercury - 375° C; Venus – 475 ° C.
b) maximum life span:kangaroo - 16 years; cat – 23,2 years.
c) diameter: the Moon – 3,480 km; the Earth – 12,800 km.
d) gestation period: elephant – 21 months, giraffe – 15 months.
e) percent of world's water:
Pacific Ocean – 46 %, Atlantic Ocean – 22,9 %.
18. Before listening to the dialogue remember the following words and word expressions:
drug лекарство
drug store аптека
druggist аптекарь
medication, medicine ['medsin] лекарство
pill таблетка, пилюля
mixture ['mikst∫ə] микстура
a fever лихорадка
to have a fever испытывать жар, температурить
to pick up some cough medicine выбрать лекарство от кашля
flavor ['fleivə] вкус
to be (cherry) flavored иметь вкус (вишни)
to drowse [draəz] дремать
drowsy ['drauzi] сонный
to cause drowsiness вызывать сонливость
[tə' ko:z 'drauzinis]
to take some aspirin [ǽspirin] принять аспирин
pill, tablet [tǽblit] пилюля, таблетка
sedative ['sedətiv] успокаивающее,
седативное (средство)
strain ['strein] растяжение
muscle strain мускульное растяжение
ligament ['ligəmənt] strain растяжение связок
for external [eks'tə:nl] use для внешнего применения
for internal [in'tə:nl] use для внутреннего применения
cure ['kjuə] средство, лечение
marvelous ['ma:vələs] cure удивительное средство
bruise ['bru:z] синяк
cut порез
insect ['insəkt] bite укус насекомых
three times an hour ['auə] три раза в час
accident [ǽksidənt] авария
to be in an accident попасть в аварию
to be badly injured ['indzəd] быть серьезно пораненным
to fell off a ladder упасть с лестницы
to be disabled [dis'eibld] быть (стать) инвалидом
to put a band-aid on smth. наложить повязку на ч-л.
to work socks off работать, как пчелка
to run down переутомиться
to go on holiday взять отпуск
to go on picnic поехать на пикник
to be full of energy быть полным сил
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| THE WONDER METALS | | | Listen to the dialogue “At the Drugstore”. |